tender for earth work in excavation by mechanical means (hydraulic excavator) in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed, within a lead of 50 metres: all kinds of soil : , providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. all work upto plinth level with: 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) , centering and shuttering including strutting, propping etc. and removal of form work for: foundations, footings, bases for columns , centering and shuttering including strutting, propping etc. and removal of form work for: retaining walls, return walls, walls (any thickness) including attached pilasters buttresses, plinth and string course fillets, kerbs andsteps etc. , hand-packing stones in wire-crates; excluding cost of crates and stones , supply of stones , carriage of stones by 300 m by head load , carriage of sand 7 km by mt , carriage of bajri / stone aggregate by 7 km mt , add cost of k-wire crates of size 6x1.5x1.5 inclusive of carriage of crates